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参数资料
| 型号： | LH0070-0H#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, MBCY3 |
| 封装： | METAL CAN, TO-39, 3 PIN |
| 文件页数： | 12/12页 |
| 文件大小： | 156K |
| 代理商： | LH0070-0H#PBF |
9
LT1031/LH0070
1031fb
Strain Gauge Conditioner
for 350
Bridge
Ultralinear Platinum Temperature Sensor*
APPLICATIO CIRCUITS
U
–
+
LT1031
GND
OUT
IN
20V
–15V
2
3
7
4
6
VOUT = 100mV/°C
–50
°C ≤ T ≤ 150°C
R2*
5k
R14
5k
R12
1k
R15
10k
R13
24.3k
R10
182k
1%
R11
6.65M
1%
R5
200k
1%
R6
619k
1%
R4
4.75k
1%
R7
392k
1%
RS
100
AT 0
°C
R1**
253k
R8
10M
R9
100k
R3**
5k
Rf**
654k
STANDARD INDUSTRIAL 100
PLATINUM 4-WIRE SENSOR, ROSEMOUNT 78S,
OR EQUIVALENT.
α = 0.00385
TRIM R9 FOR VOUT = 0 AT 0°C
TRIM R12 FOR VOUT = 10V AT 100°C
TRIM R14 FOR VOUT = 5V AT 50°C
USE TRIM SEQUENCE AS SHOWN. TRIMS ARE NON-INTERACTIVE SO THAT ONLY ONE
TRIM SEQUENCE IS NORMALLY REQUIRED.
FEEDBACK LINEARIZES OUTPUT TO
±0.005°C FROM – 50°C TO 150°C
WIREWOUND RESISTORS WITH LOW TC
*
**
LT1031 AC06
LT1001
–
+
R2
20k
R4
20k
R1
357
1/2W
357
1/2W
R6
2M
*
R3
2M
R5
2M
350
STRAIN
GUAGE BRIDGE**
LT1031 AC05
5V
–5V
100pF
VOUT 100
6
8
1
3
2
28mA
28.5mA
15V
–15V
LT1031
LT1012C
LM301A
GND
IN
OUT
–
+
THIS RESISTOR PROVIDES POSITIVE FEEDBACK TO THE BRIDGE TO ELIMINATE
LOADING EFFECT OF THE AMPLIFIER. EFFECTIVE ZIN OF AMPLIFIER STAGE IS
≥ 1M. IF R2–R5 ARE CHANGED, SET R6 = R3
BRIDGE IS ULTRA LINEAR WHEN ALL LEGS ARE ACTIVE, TWO IN COMPRESSION
AND TWO IN TENSION, OR WHEN ONE SIDE IS ACTIVE WITH ONE COMPRESSED
AND ONE TENSIONED LEG
OFFSET AND DRIFT OF LM301A ARE VIRTUALLY ELIMINATED BY DIFERENTIAL
CONNECTION OF LT1012C
*
**
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LH0070-1H | 功能描述:IC VREF SERIES SHUNT ZNR TO-39 RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
| LH0070-1H/883 | 制造商:Linear Technology 功能描述:Precision 10V Reference |
| LH0070-1H/883B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference |
| LH0070-1H/A+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference |
| LH0070-2H | 功能描述:IC VREF SERIES SHUNT ZNR TO-39 RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路，可调节，精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3（TO-226AA）成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR) |
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